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Maslowich
3 years ago
14

Help ME ASAP PLZZZZZ!!!!!!!!!

Mathematics
1 answer:
Shalnov [3]3 years ago
3 0

Answer:

a.1,500 miles apart b.1.5 centermeters

Step-by-step explanation:

give me brainleist thank and 5 star!

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The % spent on the fruit was  0.3 * 100 = 30% <<<< Answer 
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In 2001,the united states oil consumption was 7,297.4 millions of barrels,while japan's was 1,979.4 millions of barrels. How man
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Step-by-step explanation:

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4 years ago
Both questions please
Nataly [62]
Let there be h 50 cent coins (call them halfs), d 10 cent coins (dimes) and n 5 cent coins (nickles).  

81 coins:

h+d+n=81

Three more dimes than halfs:

d=h+3

Nickels are twice halfs plus dimes:

n=2(h+d)

Three equations in three unknowns.  We'll eliminate n first:

n=81-(h+d)=2(h+d)

81=3(h+d)

h+d=27

Substituting d=h+3

h+h+3=27

2h=24

h=12

d=h+3=15

n=2(h+d)=2(27)=54

Check we have the right number of coins:

h+d+n=12+15+54=81 \quad\checkmark

Good.   The amount of money is

50h+10d+5n=0.50(12)+0.10(15)+0.05(54)=\$10.20

Part 2.

a for amount Tim gave cousin.  Initially Tim has $146.65, cousin $10.55

After he gave the money Tim had twice as much:

146.65 - a = 2(10.55 + a)

146.65 - a = 21.10 + 2a

146.65 - 21.10 = 3a

a = \dfrac{146.65 - 21.10}{3}= 41.85

That's the answer to b.  After the transfer the cousin has 10.55+41.85=\$52.40


4 0
3 years ago
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